641167761146 has 16 divisors (see below), whose sum is σ = 1051430271840. Its totient is φ = 290815818480.

The previous prime is 641167761139. The next prime is 641167761149.

641167761146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×641167761146² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641167761094 and 641167761103.

It is not an unprimeable number, because it can be changed into a prime (641167761149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31193141 + ... + 31213688.

It is an arithmetic number, because the mean of its divisors is an integer number (65714391990).

Almost surely, 2^641167761146 is an apocalyptic number.

641167761146 is a deficient number, since it is larger than the sum of its proper divisors (410262510694).

641167761146 is a wasteful number, since it uses less digits than its factorization.

641167761146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62407309.

The product of its digits is 1016064, while the sum is 50.

The spelling of 641167761146 in words is "six hundred forty-one billion, one hundred sixty-seven million, seven hundred sixty-one thousand, one hundred forty-six".